Robert H. Allen Books

Expert Systems for Civil Engineers

By Robert H. Allen

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Simple annals

By Robert H. Allen

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Like a patchwork quilt made from family memories, Simple Annals is an American saga that spans two centuries, from Revolutionary times to the present day. In the tradition of Robert Frost and Edgar...

Biomedical Engineering Design

By Robert H. Allen, Jay Goldberg, Joseph V. Tranquillo

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Biomedical Engineering Design

By Robert H. Allen, Jay Goldberg, Joseph V. Tranquillo

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Classical Origins of Modern Homophobia

By Robert H. Allen

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"This book takes an in-depth look at the ancient roots of homophobia, including its Pythagorean origins and its eventual spread throughout the Roman Empire and, consequently, the rest of the world"...

Classical Origins of Modern Homophobia

By Robert H. Allen

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.